305856696956 has 12 divisors (see below), whose sum is σ = 537586554120. Its totient is φ = 152260538640.

The previous prime is 305856696941. The next prime is 305856697007. The reversal of 305856696956 is 659696658503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166951430 + ... + 166953261.

It is an arithmetic number, because the mean of its divisors is an integer number (44798879510).

Almost surely, 2^305856696956 is an apocalyptic number.

It is an amenable number.

305856696956 is a deficient number, since it is larger than the sum of its proper divisors (231729857164).

305856696956 is a wasteful number, since it uses less digits than its factorization.

305856696956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333904924 (or 333904922 counting only the distinct ones).

The product of its (nonzero) digits is 314928000, while the sum is 68.

The spelling of 305856696956 in words is "three hundred five billion, eight hundred fifty-six million, six hundred ninety-six thousand, nine hundred fifty-six".